Beer Special Final Exam

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Across
  1. 2. Permanently frozen soil
  2. 7. Nuclear ___?___ is fusing two isotopes together to form a heavier nucleus
  3. 9. A permanent change in a gene
  4. 13. An energy source that uses the kinetic energy of moving water
  5. 15. ___?___ selection is when humans breed individual organisms for specific traits
  6. 16. ___?___ cells convert solar energy to electricity
  7. 18. Genetic ___?___ is directly altering DNA using technology
  8. 19. Carbon ___?___ store carbon. For example: forests
  9. 20. A ___?___ point is a point at which there has been enough change that undoing the change is impossible or very difficult
  10. 23. ___?___ isolation is when groups of a population become physically isolated
  11. 24. Getting 2 or more forms of energy from the same source
  12. 25. A ___?___ solar heating system absorbs and stores heat from the sun directly within a well-insulated structure
  13. 26. The dirtiest fossil fuel
  14. 27. Gaseous or liquid fuels formed from biomass
  15. 30. ___?___ diversity is the number of species in an area and their abundance
  16. 31. When one species splits into two or more species
  17. 32. Global ___?___ is global increase in average temperature
  18. 33. An ___?___ solar heating system captures energy from the sun in a heat-absorbing fluid
  19. 34. ___?___ reproduction makes new gene combinations in offspring
  20. 35. Units of heredity
  21. 37. ___?___ selection is where individuals better suited to an environment are more likely to pass genes on
  22. 38. Nuclear ___?___ is using a neutron to split a large nucleus into two or more smaller nuclei
  23. 41. ___?___ energy is energy from heat inside Earth
  24. 42. ___?___ power is the least expensive and least polluting source of energy when all factors are considered
Down
  1. 1. ___?___ diversity is the variety of genes in a population
  2. 3. ___?___ extinction is when there is a significant rise in extinction rate
  3. 4. The variety of life on Earth
  4. 5. Climate change ___?___ involves minimizing or stopping the increase in greenhouse gases in the atmosphere
  5. 6. ___?___ diversity is diversity in niches
  6. 8. An energy source that is 50-90% methane. 2 words, no spaces
  7. 10. Energy ___?___ is how much useful work we get from each unit of energy
  8. 11. A trait that helps an individual survive and reproduce
  9. 12. Gene ___?___ is when genes enter and exit a population as individuals migrate
  10. 14. Genetic ___?___ is change in gene frequencies due to random chance
  11. 17. ___?___ energy is the total amount of useful energy available from a resource minus the energy needed to make the energy available to consumers
  12. 19. ___?___ selection is a part of natural selection where individuals choose mates based on individual preferences
  13. 21. ___?___ gases absorb the heat of solar radiation in Earth's atmosphere
  14. 22. ___?___ isolation is when natural selection operates independently between populations or groups of a population
  15. 25. In a ___?___ feedback loop, a change causes more of the same change
  16. 28. A synonym of "crude oil"
  17. 29. Ice ___?___ contain bubbles of ancient atmosphere
  18. 36. The permanent loss of a species
  19. 39. A shortening of "hydraulic fracturing." Involves horizontal drilling in and then blasting apart shale rock
  20. 40. ___?___ energy is naturally replenished